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2152942 = 21197861
BaseRepresentation
bin1000001101100111101110
311001101021121
420031213232
51022343232
6114051154
724204541
oct10154756
94041247
102152942
1112405a0
12879aba
135a4c3c
14400858
152c7d97
hex20d9ee

2152942 has 8 divisors (see below), whose sum is σ = 3523032. Its totient is φ = 978600.

The previous prime is 2152939. The next prime is 2152949. The reversal of 2152942 is 2492512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48909 + ... + 48952.

It is an arithmetic number, because the mean of its divisors is an integer number (440379).

22152942 is an apocalyptic number.

2152942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2152942 is a deficient number, since it is larger than the sum of its proper divisors (1370090).

2152942 is a wasteful number, since it uses less digits than its factorization.

2152942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97874.

The product of its digits is 1440, while the sum is 25.

The square root of 2152942 is about 1467.2907005771. The cubic root of 2152942 is about 129.1251314712.

It can be divided in two parts, 215294 and 2, that added together give a square (215296 = 4642).

The spelling of 2152942 in words is "two million, one hundred fifty-two thousand, nine hundred forty-two".

Divisors: 1 2 11 22 97861 195722 1076471 2152942